This red lake 4,000 meters above sea level is home to rare flamingos.

Astronomical observatory above Lake Titicaca.

Towns with a resource known as "white gold," valuable enough to fight a war over, now stand ghostly and empty.

The inspiration for the Patagonia Clothing logo, Cerro Fitz Roy turns pink at sunrise.

An ancient forest of the Paleocene Age turned to stone.

Mirrors and glass shards cover every inch of this arrestingly beautiful mosque.

Lost subway station nestled beneath Toronto's busy commuter line.

One of Canada's most incredible rare book collections holds hundreds of thousands of gorgeous tomes that the general public can touch.

Niagara Falls holds a special place in Nikola Tesla's history, so they put a statue on it.

66,000 pieces of art, donated by one of the world's richest men.

A jaw-dropping "megalibrary" that turns book-browsing into a geometric adventure.

Even King Tut was intrigued by the glass of the Great Sand Sea.

The ruins of an ancient Mayan city, beautifully preserved and only accessible by boat.

Beach instrument turned bed and breakfast.

A hacienda that features all things uniquely Yucatán.

The meteor that sealed the fate of the dinosaurs landed at this site, one of the largest impact craters in the world.

The enigmatic and seldom visited ruins of a Mayan city-state.

An elaborate Mayan city shrouded in alien conspiracy revealed the tomb of Pacal the Great.

The stoutest tree in the world.

A lake at the bottom of the ocean.

This beautifully deceptive waterfall is something far different from what it appears to be.

A gargantuan crystal kingdom.

A tree grown from astronaut seeds which were exposed to cosmic rays.

The oceanic dumping ground where spaceships go to die.